Textiles: spinning – twisting – and twining – Apparatus and processes – Covering or wrapping
Patent
1983-05-25
1985-02-05
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Covering or wrapping
57 9, 57 13, 57352, G02B 516, H01B 1302
Patent
active
044971648
ABSTRACT:
Apparatus for inserting optical fibers into helical grooves in a plastic core advanced through a rotatable, rigid body which has conduits for guiding the fibers from bobbins mounted on a rotatable cage into the grooves, the ends of the conduits engaging the walls of the grooves which cause the body to rotate as the core is advanced, said apparatus having drive means for advancing the core separate from the drive means for the rotatable cage and having detecting and control means for detecting angular and direction of rotation differences between the cage and the rigid body and correcting such differences by control of the rotation of the cage by its drive means.
REFERENCES:
patent: 4195468 (1980-04-01), King et al.
patent: 4347697 (1982-09-01), Hope et al.
patent: 4384446 (1983-05-01), Hope et al.
patent: 4388799 (1983-06-01), Vives
patent: 4395869 (1983-08-01), Priaroggia et al.
patent: 4411130 (1983-10-01), Dubois et al.
Dotti Enrico
Mariani Beniamino
Petrakes John
Societa'Cavi Pirelli S.p.A.
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